Even with the best intentions — like walking around every hour or taking frequent breaks during your workday — sitting for hours on end is bad for your body. Hunching over a desk often leads to tight hips and legs, a weak core, and imbalances in your neck, upper back and chest muscles. And due to our collective reliance on keyboards, screens and smartphones, we’re also more susceptible to bad posture: overly rounded shoulders and a protruding neck. A regular yoga practice can help offset th